package com.hmdp.utils;

import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.util.StrUtil;
import com.hmdp.dto.UserDTO;
import com.hmdp.entity.User;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

import static javax.servlet.http.HttpServletResponse.SC_UNAUTHORIZED;

public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //判断是否拦截(ThreadLocal中是否有用户)
        if (UserHolder.getUser() == null){
            response.setStatus(SC_UNAUTHORIZED);
            return false;
        }
        System.out.println("LoginInterceptor="+ UserHolder.getUser());
        //有用户则放行
        return true;
     }
}
